Details

Time bar (total: 13.9s)

sample82.0ms

Algorithm
intervals
Results
17.0ms205×body80valid
15.0ms31×body2560valid
12.0ms31×body1280valid
7.0ms89×body80nan
4.0ms12×body640valid
2.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify171.0ms

Counts
1 → 1
Iterations
IterNodes
done156
6156
5152
4142
3115
264
128
014

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize47.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b b) (* a (* 4.0 c)))
0.1b
(/ (- (- b) (sqrt (- (* b b) (* a (* 4.0 c))))) (* 2.0 a))
0.7b
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
19.5b
(sqrt (- (* b b) (* a (* 4.0 c))))

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
12.0ms
(- (* b b) (* a (* 4.0 c)))
68.0ms
(/ (- (- b) (sqrt (- (* b b) (* a (* 4.0 c))))) (* 2.0 a))
37.0ms
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
14.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))

series480.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(- (* b b) (* a (* 4.0 c)))
153.0ms
(/ (- (- b) (sqrt (- (* b b) (* a (* 4.0 c))))) (* 2.0 a))
119.0ms
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
131.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))

simplify815.0ms

Counts
89 → 89
Iterations
IterNodes
done5000
21644
1418
0157

prune630.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.5b

localize49.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b b) (* a (* 4.0 c)))
0.2b
(* (- (- b) (sqrt (- (* b b) (* a (* 4.0 c))))) (/ (/ 1 2.0) a))
0.7b
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
19.5b
(sqrt (- (* b b) (* a (* 4.0 c))))

rewrite200.0ms

Algorithm
rewrite-expression-head
Rules
71×times-frac
62×add-sqr-sqrt
50×*-un-lft-identity
43×associate-*r*
41×add-cube-cbrt
19×add-exp-log
13×add-cbrt-cube
10×add-log-exp
pow1 associate-*l*
div-exp
flip3-- prod-exp sqrt-prod flip--
div-inv distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv diff-log cbrt-unprod
frac-times sub-neg distribute-rgt-neg-in sqrt-div associate-*l/
associate--l- neg-sub0 rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down neg-log associate-*r/ *-commutative
Counts
4 → 121
Calls
4 calls:
6.0ms
(- (* b b) (* a (* 4.0 c)))
134.0ms
(* (- (- b) (sqrt (- (* b b) (* a (* 4.0 c))))) (/ (/ 1 2.0) a))
36.0ms
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
20.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(- (* b b) (* a (* 4.0 c)))
138.0ms
(* (- (- b) (sqrt (- (* b b) (* a (* 4.0 c))))) (/ (/ 1 2.0) a))
104.0ms
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
102.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))

simplify392.0ms

Counts
133 → 133
Iterations
IterNodes
done5001
1769
0268

prune985.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 3.5b

localize46.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 4.0 (* c a))
0.1b
(/ (/ (- (+ b (sqrt (- (* b b) (* 4.0 (* c a)))))) 2.0) a)
0.7b
(+ b (sqrt (- (* b b) (* 4.0 (* c a)))))
19.5b
(sqrt (- (* b b) (* 4.0 (* c a))))

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
264×times-frac
185×*-un-lft-identity
136×add-sqr-sqrt
135×add-cube-cbrt
48×distribute-lft-neg-in distribute-rgt-neg-in
40×associate-/l*
25×distribute-lft-out
14×add-cbrt-cube add-exp-log
12×neg-mul-1
10×pow1
add-log-exp
div-inv
cbrt-undiv associate-/r* div-exp associate-*l* pow-prod-down prod-exp sqrt-prod cbrt-unprod
sqrt-div div-sub distribute-frac-neg
neg-sub0 +-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 flip3-+ flip3-- pow1/2 associate-*r* *-commutative flip-+ flip-- associate-/l/
Counts
4 → 225
Calls
4 calls:
14.0ms
(* 4.0 (* c a))
109.0ms
(/ (/ (- (+ b (sqrt (- (* b b) (* 4.0 (* c a)))))) 2.0) a)
31.0ms
(+ b (sqrt (- (* b b) (* 4.0 (* c a)))))
14.0ms
(sqrt (- (* b b) (* 4.0 (* c a))))

series406.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* 4.0 (* c a))
156.0ms
(/ (/ (- (+ b (sqrt (- (* b b) (* 4.0 (* c a)))))) 2.0) a)
123.0ms
(+ b (sqrt (- (* b b) (* 4.0 (* c a)))))
98.0ms
(sqrt (- (* b b) (* 4.0 (* c a))))

simplify1.7s

Counts
237 → 237
Iterations
IterNodes
done5001
24893
11052
0413

prune1.5s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 3.5b

localize82.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
19.5b
(sqrt (- (* b b) (* a (* 4.0 c))))
19.5b
(sqrt (- (* b b) (* a (* 4.0 c))))
19.5b
(sqrt (- (* b b) (* a (* 4.0 c))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
11×*-un-lft-identity
10×sqrt-prod
add-log-exp
pow1 add-cube-cbrt
sqrt-div
flip3-- add-cbrt-cube add-exp-log flip--
rem-sqrt-square sqrt-pow1 pow1/2
diff-log distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg distribute-rgt-neg-in neg-log
Counts
4 → 63
Calls
4 calls:
20.0ms
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
7.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))
7.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))
7.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))

series384.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(- (- b) (sqrt (- (* b b) (* a (* 4.0 c)))))
82.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))
111.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))
85.0ms
(sqrt (- (* b b) (* a (* 4.0 c))))

simplify490.0ms

Counts
75 → 75
Iterations
IterNodes
done5000
2897
1217
087

prune673.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 3.5b

regimes364.0ms

Accuracy

85.8% (4.1b remaining)

Error of 9.4b against oracle of 5.3b and baseline of 34.1b

bsearch169.0ms

Steps
ItersRangePoint
8
2.072994944964499e+129
8.571507078369983e+131
3.087668654677018e+130
8
-8.904680992578465e-52
-2.849527055171251e-56
-4.356959927988237e-56

simplify4.0ms

Iterations
IterNodes
done41
241
138
028

end0.0ms

sample3.4s

Algorithm
intervals
Results
968.0ms5841×body80valid
602.0ms1025×body2560valid
584.0ms457×body640valid
352.0ms2877×body80nan
331.0ms921×body1280valid
101.0ms122×body5120valid
51.0ms245×body320valid
48.0ms116×body160valid